Description The frame of the dynamic balancing toy is made of plating ABS plastic and iron. An exquisite decoration that can be placed in house, school or office. Funny and useful for those kids who want to learn more about magnet and physics. Features - Color: Sliver - Material: Plastic and metal. - A creative home and office desktop decoration and a cool gift for all special occasions. - Funny and useful for those kids who want to learn more about magnet and physics. - It is perfect for your outer space themed office or room decoration, also great for those enthusiastic about science or to demonstrate the laws of physics in science classrooms. Package Including 1 X Motion Toy It doesn't need any battery. It is also a great gift for children to stimulate their interest in physics. Ingenious designs, unique style, very suitable for desktop decoration. The balance weightlifter with the rope is made of stainless iron with electroplating process, the base is ABS. You don't have to worry about it falling off, it can keep balance well. Push the ball lightly and it will swing back and forth. Help you relieve stress after a busy day of working. It is an art in motion, and it will fascinate you when you are watching its fascinating swings.